Skiathos - Vasilias in Aegean Sea is an exposed reef break that has inconsistent surf. Summer in particular tends to be flat. Offshore winds are from the west northwest and there is no shelter here from cross shore breezes. Surfable in an onshore breeze Short period wind swells are the rule and the best wave direction is from the east southeast. There is no reef break. Unlikely to be too crowded, even when the surf is up. Take care of urchins, rocks.